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# LOGICODE TECHNOLOGY, INC.
14V14PCMCIA
Modem Type Data
(synchronous/asynchronous)/Fax/Voice
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Bus PCMCIA
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
Proprietary AT Command Set
V1275
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %An [cmds] |
|--------------+---------------------------------------------|
| Example: | AT%A20<CR> |
|--------------+---------------------------------------------|
| Default: | 13 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character. %A0 will |
| | disable this function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ACCEPT RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Un |
|--------------+---------------------------------------------|
| Example: | AT \U<CR> |
|--------------+---------------------------------------------|
| Description: | Accepts remote modem’s request for reliable |
| | link. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE TIME BUFFER CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Cn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \C1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls the handling of incoming data |
| | during auto-reliable time period. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » \C0 | Data is discarded. |
|--------------+---------------------------------------------|
| \C1 | Data is buffered. |
|--------------+---------------------------------------------|
| \C2 | Data is discarded, modem returns to normal |
| | mode on receiving auto-reliable fallback |
| | character. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RETRAIN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT %En |
|--------------+---------------------------------------------|
| Example: | AT %E1 <CR> |
|--------------+---------------------------------------------|
| Description: | Selects auto-retrain mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %E0 | Auto-retrain disabled. |
|--------------+---------------------------------------------|
| » %E1 | Auto-retrain enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format | AT [cmds] S14=n [cmds] |
|---------------+--------------------------------------------|
| Example: | ATS14=40<CR> |
|---------------+--------------------------------------------|
| Default: | Read only |
|---------------+--------------------------------------------|
| Range: | 0 - 174 |
|---------------+--------------------------------------------|
| Unit: | Bit-mapped |
|---------------+--------------------------------------------|
| Description: | Stores AT command settings. |
|------------------------------------------------------------|
| Bit | Value | Function |
|---------+--------+-----------------------------------------|
| 0 | 0 | Not used. |
|---------+--------+-----------------------------------------|
| 1 | 0 | Echo function disabled. |
| | | |
| | 1 | Echo function enabled. |
|---------+--------+-----------------------------------------|
| 2 | 0 | Result code sending enabled. |
| | | |
| | 1 | Result code sending disabled. |
|---------+--------+-----------------------------------------|
| 3 | 0 | Numeric format enabled. |
| | | |
| | 1 | Verbose format enabled. |
|---------+--------+-----------------------------------------|
| 4 | 0 | Not used. |
|---------+--------+-----------------------------------------|
| 5 | 0 | Tone dialing enabled. |
| | | |
| | 1 | Pulse dialing enabled. |
|---------+--------+-----------------------------------------|
| 6 | 0 | Not used. |
|---------+--------+-----------------------------------------|
| 7 | 0 | Answer mode enabled. |
| | | |
| | 1 | Originate mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Format | AT [cmds] S21=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS21=4<CR> |
|-----------------+------------------------------------------|
| Default: | 0 |
|-----------------+------------------------------------------|
| Range: | 0 - 253 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Selects jack type, CTS signal, low DTR |
| | action, DCD signal, DSR signal, and |
| | startup profile. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 0 | » 0 1 | Selects RJ-11, RJ-41S, or RJ45S jack. |
| | | |
| | | Selects RJ-12 or RJ-13 jack. |
|-----------+-------+----------------------------------------|
| 1 | 0 | Not used. |
|-----------+-------+----------------------------------------|
| 2 | 0 » 1 | CTS follows RTS. |
| | | |
| | | CTS forced high. |
|-----------+-------+----------------------------------------|
| 4, 3 | » 00 | DTR signal ignored. |
| | 01 10 | |
| | 11 | Modem goes to command mode on low DTR. |
| | | |
| | | Modem disconnects on low DTR. |
| | | Auto-Answer is disabled. |
| | | |
| | | Modem is initialized on low DTR. |
|-----------+-------+----------------------------------------|
| 5 | » 0 1 | DCD forced high. |
| | | |
| | | DCD normal. |
|-----------+-------+----------------------------------------|
| 6 | » 0 1 | DSR forced high. |
| | | |
| | | DSR normal. |
|-----------+-------+----------------------------------------|
| 7 | » 0 1 | Profile 0 selected at power-up. |
| | | |
| | | Profile 1 selected at power-up. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S23 |
|------------------------------------------------------------|
| Format | AT [cmds] S23=n [cmds] |
|------------------+-----------------------------------------|
| Example: | ATS23=177<CR> |
|------------------+-----------------------------------------|
| Default: | 177 |
|------------------+-----------------------------------------|
| Range: | 0-255 |
|------------------+-----------------------------------------|
| Unit: | Bit-mapped |
|------------------+-----------------------------------------|
| Description: | Grants/denies remote digital loopback, |
| | controls DTE rate and parity, and sets |
| | guard tone. |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------+--------+--------------------------------------|
| 0 | 0 » 1 | Remote digital loopback denied. |
| | | |
| | | Remote digital loopback allowed. |
|------------+--------+--------------------------------------|
| 3, 2, 1 | 000 | Sets serial port speed to 0-300bps. |
| | 001 | |
| | 010 | Sets serial port speed to 1200bps. |
| | 011 | |
| | 100 | Sets serial port speed to 2400bps. |
| | 101 | |
| | 110 | Sets serial port speed to 4800bps. |
| | | |
| | | Sets serial port speed to 7200bps. |
| | | |
| | | Sets serial port speed to 9600bps. |
| | | |
| | | Sets serial port speed to 19200bps. |
|------------+--------+--------------------------------------|
| 5,4 | 00 01 | Even parity. |
| | 10 » | |
| | 11 | Space parity. |
| | | |
| | | Odd parity. |
| | | |
| | | Mark or no parity. |
|------------+--------+--------------------------------------|
| 7, 6 | 00 01 | Guard tone disabled. |
| | » 10 | |
| | | Guard tone disabled. |
| | | |
| | | Guard tone 1800Hz enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS27=9<CR> |
|----------------+-------------------------------------------|
| Default: | 9 |
|----------------+-------------------------------------------|
| Range: | 0 - 127 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Displays sync/async mode, line type, |
| | internal clock, and ITU-T/Bell modes. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 3, 1, 0 | 000 | Asynchronous mode, serial port speed |
| | 001 » | follows connect speed. |
| | 101 | |
| | 110 | Asynchronous off-line command mode and |
| | | synchronous connect mode. |
| | | |
| | | Error-correcting mode. |
| | | |
| | | Asynchronous mode, serial port speed |
| | | locked. |
|-----------+-------+----------------------------------------|
| 2 | » 0 1 | Dial up line. |
| | | |
| | | Leased line. |
|-----------+-------+----------------------------------------|
| 5, 4 | » 00 | Internal DTE transmit clock source. |
| | 01 10 | |
| | | External DTE transmit clock source. |
| | | |
| | | Slave DTE transmit clock source. |
|-----------+-------+----------------------------------------|
| 6 | » 0 1 | CCITT mode. |
| | | |
| | | Bell mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK SEND |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Bn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \B3 &W<CR> |
|--------------+---------------------------------------------|
| Range: | 0-9 |
|--------------+---------------------------------------------|
| Unit: | 1ms |
|--------------+---------------------------------------------|
| Description: | Sends break to modem. |
+------------------------------------------------------------+
+----------------------------------------------------------------+
| BREAK TYPE |
|----------------------------------------------------------------|
|Type: |Configuration |
|------------------+---------------------------------------------|
|Format: |AT [cmds] \Kn [cmds] |
|------------------+---------------------------------------------|
|Example: |AT \K1 <CR> |
|------------------+---------------------------------------------|
|Description: |Configures action of break signal. |
|----------------------------------------------------------------|
| Command |Break from DTE | Break from | Modem | Break from |
| | | DTE |receives \B |remote modem|
| |Reliable/Normal| | | |
| | mode |Direct mode | | |
|---------+---------------+------------+------------+------------|
|\K0 |Enter command |Send break |Buffers |Buffers |
| |mode, do not |to remote |cleared and |cleared and |
| |send break to |modem |break sent |break sent |
| |remote modem. |immediately,|to remote |to DTE. |
| | |then enter |modem. | |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
|\K1 |Buffers cleared|Send break |Buffers |Buffers |
| |and break sent |to remote |cleared and |cleared and |
| |to remote |modem |break sent |break sent |
| |modem. |immediately.|to remote |to DTE. |
| | | |modem. | |
|---------+---------------+------------+------------+------------|
|\K2 |Enter command |Send break |Send break |Send break |
| |mode, do not |to remote |to remote |to DTE |
| |send break to |modem |modem |immediately.|
| |remote modem. |immediately,|immediately.| |
| | |then enter | | |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
|\K3 |Send break to |Send break |Send break |Send break |
| |remote modem |to remote |to remote |to DTE |
| |immediately. |modem |modem |immediately.|
| | |immediately.|immediately.| |
|---------+---------------+------------+------------+------------|
|\K4 |Enter command |Send break |Send break |Break sent |
| |mode, do not |to remote |to remote |with |
| |send break to |modem |modem with |received |
| |remote modem. |immediately,|transmitted |data to the |
| | |then enter |data. |DTE. |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
|» \K5 |Send break with|Send break |Send break |Break sent |
| |transmitted |to remote |to remote |with |
| |data. |modem |modem with |received |
| | |immediately.|transmitted |data to the |
| | | |data. |DTE. |
+----------------------------------------------------------------+
+------------------------------------------------------------+
| BUFFER VOICE/FAX |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Kn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT K0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Use SRAM for fax and voice mode buffering. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| K0 | SRAM buffer disabled. |
|--------------+---------------------------------------------|
| K1 | SRAM buffer enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLING TONE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -Cn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT -C1 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Controls the transmission of the calling |
| | tone while dialing. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -C0 | Calling tone disabled. |
|--------------+---------------------------------------------|
| -C1 | Calling tone enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT %Cn |
|--------------+---------------------------------------------|
| Example: | AT *EC0 %C1 *AP0<CR> |
|--------------+---------------------------------------------|
| Description: | Selects data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled. |
|--------------+---------------------------------------------|
| » %C1 | Data compression enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \N1 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Sets connect mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N1 | Normal mode. |
|--------------+---------------------------------------------|
| \N0 | Direct mode. |
|--------------+---------------------------------------------|
| \N2 | MNP reliable mode. |
|--------------+---------------------------------------------|
| » \N3 | V.42 auto-reliable mode. |
|--------------+---------------------------------------------|
| \N4 | V.42 reliable mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODE FORMAT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \V0 Q0<CR> |
|--------------+---------------------------------------------|
| Description: | Selects extended result codes. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \V0 | Extended result codes disabled. |
|--------------+---------------------------------------------|
| » \V1 | MNP result codes enabled. |
|--------------+---------------------------------------------|
| \V2 | V.42 result codes enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Gn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT G1 &M0<CR> |
|--------------+---------------------------------------------|
| Description: | Selects modem port flow control. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » \G0 | Flow control disabled. |
|--------------+---------------------------------------------|
| \G1 | Flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| XON/XOFF PASS-THROUGH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Xn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \X0 O<CR> |
|--------------+---------------------------------------------|
| Description: | Selects whether XON/XOFF signals are sent |
| | to remote modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » \X0 | XON/XOFF signals trapped by local modem. |
|--------------+---------------------------------------------|
| \X1 | XON/XOFF passed through local modem. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \Q0 A<CR> |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \Q0 | Flow control disabled. |
|--------------+---------------------------------------------|
| \Q1 | Software flow control enabled. |
|--------------+---------------------------------------------|
| \Q2 | Unidirectional flow control enabled. |
|--------------+---------------------------------------------|
| » \Q3 | Bidirectional flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT\T20<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S90=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS90=20<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL/SPEED |
|------------------------------------------------------------|
| Format | AT [cmds] S109=n [cmds] |
|---------------+--------------------------------------------|
| Example: | ATS109=62<CR> |
|---------------+--------------------------------------------|
| Default: | 62 |
|---------------+--------------------------------------------|
| Range: | 0 - 62 |
|---------------+--------------------------------------------|
| Unit: | Bit-mapped |
|---------------+--------------------------------------------|
| Description: | Selects the available speeds. |
|------------------------------------------------------------|
| Bit | Value | Function |
|---------+------------+-------------------------------------|
| 0 | 0 | Not used. |
|---------+------------+-------------------------------------|
| 1 | 0 » 1 | 4800bps disabled. |
| | | |
| | | 4800bps enabled. |
|---------+------------+-------------------------------------|
| 2 | 0 » 1 | 7200bps disabled. |
| | | |
| | | 7200bps enabled. |
|---------+------------+-------------------------------------|
| 3 | 0 » 1 | 9600bps disabled. |
| | | |
| | | 9600bps enabled. |
|---------+------------+-------------------------------------|
| 4 | 0 » 1 | 12Kbps disabled. |
| | | |
| | | 12Kbps enabled. |
|---------+------------+-------------------------------------|
| 5 | 0 » 1 | 14.4Kbps disabled. |
| | | |
| | | 14.4Kbps enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCK SERIAL PORT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Jn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %L3 %B14 \J0<CR> |
|--------------+---------------------------------------------|
| Description: | Sets operation of serial port speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » \J0 | Serial speed locked. |
|--------------+---------------------------------------------|
| \J1 | Serial speed follows connect speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOOPBACK TESTS |
|------------------------------------------------------------|
| Format | AT [cmds] S16=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS16=32<CR> |
|----------------+-------------------------------------------|
| Default: | 0 |
|----------------+-------------------------------------------|
| Range: | 0 - 255 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Enables loopback tests. |
|----------------+-------------------------------------------|
| Note: | Bit 3 is read-only. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 0 | » 0 1 | Local analog loopback test disabled. |
| | | |
| | | Local analog loopback test enabled. |
|----------+-------+-----------------------------------------|
| 1 | 0 | Not used. |
|----------+-------+-----------------------------------------|
| 2 | » 0 1 | Local digital loopback test disabled. |
| | | |
| | | Local digital loopback test enabled. |
|----------+-------+-----------------------------------------|
| 3 | » 0 1 | Modem is not performing remote digital |
| | | loopback test. |
| | | |
| | | Modem is performing remote digital |
| | | loopback test. |
|----------+-------+-----------------------------------------|
| 4 | » 0 1 | Remote digital loopback test disabled. |
| | | |
| | | Remote digital loopback test enabled. |
|----------+-------+-----------------------------------------|
| 5 | » 0 1 | Remote digital loopback with local |
| | | self-test disabled. |
| | | |
| | | Remote digital loopback with local |
| | | self-test enabled. |
|----------+-------+-----------------------------------------|
| 6 | » 0 1 | Local analog loopback with local |
| | | self-test disabled. |
| | | |
| | | Local analog loopback with local |
| | | self-test enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAXIMUM BLOCK SIZE FOR TRANSMISSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \An [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \A3 %C1<CR> |
|--------------+---------------------------------------------|
| Description: | Sets the maximum transmittable block size. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \A0 | MNP block size is 64 characters. |
|--------------+---------------------------------------------|
| \A1 | MNP block size is 128 characters. |
|--------------+---------------------------------------------|
| \A2 | MNP block size is 192 characters. |
|--------------+---------------------------------------------|
| » \A3 | MNP block size is 256 characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RETURN TO RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Z [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \Z <CR> |
|--------------+---------------------------------------------|
| Description: | Ends reliable mode link, initiate return to |
| | normal mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL/SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Fn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT F0 A<CR> |
|--------------+---------------------------------------------|
| Description: | Selects the current protocol and speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| F0 | Auto-select fastest common protocol. |
|--------------+---------------------------------------------|
| F1 | Select V.21 and Bell 103A. |
|--------------+---------------------------------------------|
| F3 | Select V.23 only. |
|--------------+---------------------------------------------|
| F4 | Select V.22 and Bell 212A. |
|--------------+---------------------------------------------|
| F5 | Select V.22bis only. |
|--------------+---------------------------------------------|
| F6 | Select V.32bis and V.32. |
|--------------+---------------------------------------------|
| F7 | Select V.32bis only. |
|--------------+---------------------------------------------|
| F8 | Select V.32 only. |
|--------------+---------------------------------------------|
| F9 | Select V.32bis only. |
|--------------+---------------------------------------------|
| F10 | Select V.32bis only. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE IN RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \On |
|--------------+---------------------------------------------|
| Example: | AT \O<CR> |
|--------------+---------------------------------------------|
| Description: | Returns to on-line and requests reliable |
| | mode connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONVERT TO RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Y [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \Y<CR> |
|--------------+---------------------------------------------|
| Description: | Initiates reliable mode link. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.42 HANDSHAKE OPTIONS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -Jn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT-J &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls negotiation of V.42 and MNP |
| | protocols. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -J0 | V.42 negotiation disabled. |
|--------------+---------------------------------------------|
| » -J1 | V.42 negotiation enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.42bis COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] "Hn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT "H0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls V.42bis compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| "H0 | Data compression disabled. |
|--------------+---------------------------------------------|
| "H1 | Data compression enabled. |
|--------------+---------------------------------------------|
| "H2 | Data compression enabled on transmit only. |
|--------------+---------------------------------------------|
| » "H3 | Data compression enabled on receive only. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.42bis STRING LENGTH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] "On [cmds] |
|--------------+---------------------------------------------|
| Example: | AT"O6<CR> |
|--------------+---------------------------------------------|
| Default: | 16 |
|--------------+---------------------------------------------|
| Range: | 6-250 |
|--------------+---------------------------------------------|
| Unit: | 1 character |
|--------------+---------------------------------------------|
| Description: | Sets the maximum number of characters |
| | compressed into a V.42bis code word. |